Improvement in mill-picks



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anatema Twill zhomrz't may concern :1. u. l vBe" it known that,` .S'LEPHE'Nv G. WILLIAMS, of the village of Trumansburg, inthe county of, TompkinsandState of New York, have, invented a new Vclare that`.the followingis a full, clear, andexaet deseriptionofthe same, reference being hadfto` the an? wherein-4f y vFigure 1 shows a side perspective view. l Figure 2,.a sectional viewlengthwise through the center. i v l y N1 -Figni'e 3,an'end view, with part ofthe headA at one "end removed,'to show oneof the steel blades in full.l The letters `used represent corresponding parts wherever they occur."

I make a head, H,fof iron, metal, in the form `of ahammer-head, double-faced, `substantially in the formshown in the drawings, with a' holeile, furthe I iandle, andlwith sockets, b b, to re the blades or-chsels'cc, made of su'ieient depth securely` hold the sametherein, as hereinafter stated,and at'the bottoml of the socket projections d d, toreeeive the small sockets `e e, in the inner end `ot' the blades or chisels c c,ma'de: to conform thereto apdprevent any sdeplay, and `with vthe pin-holes j' f so arranged that the pins p p will pass in the slot-s s s and Improved Mill-.bill `orlck; and 1 do hereby de- Y l l nexed drawings which form a part of'this specification,A

brass, 'or other suitable `STEPHEN G`.W1LL1AMs,1oETRUMANSBURG, NEW YORK."

"Letters Patent No. 107,745, dated September `2'?, 1870.

VuwPRoviswlsM-r IN MlLL-Plcxs.

` The Schedule referred to in these Letters Patent and making part of the same.

tially wedge shape, terminating in sharp edges,`g g,

with the soekets'e eand slots s s, and with the` large end ot' suitable size to easily fit into the sockets b bof Vthe head H.

lmake the pins-pp in size to snit the holes ff and slots s s, and strong enough to hold down said b lades,

slightly tapering, so as to draw down and rmly hold Y the-blades. I thus make a mill-piek convenient in form and shape, in which the blades or chisels can be readily exchanged while in use, or when worn ont.

`Vhat I claim as my invention, and desire tosecnre by Letters Patent, is-

The combination of the head H, having socket#` projectionsy d d, and' holes ff, the blades'c c having grooves or notches c e, and slots-or cross-grooves s s, andthe fastening-pins p p, all arranged substantially as and for the purpose herein specified.

Witnesses: STEPHEN G. WILLIAMS. SAMUEL D. WILLIAMS, J D. MOTTE SMTH. 

